--- a/qtbase-everywhere-src/src/plugins/platforms/cocoa/qnsview_keys.mm	2020-03-27 09:49:32.000000000 +0100
+++ b/qtbase-everywhere-src/src/plugins/platforms/cocoa/qnsview_keys.mm	2021-03-25 08:51:36.943804900 +0100
@@ -150,9 +150,9 @@
 
     bool accepted = true;
     if (m_sendKeyEvent && m_composingText.isEmpty()) {
-        QWindowSystemInterface::handleExtendedKeyEvent(window, timestamp, QEvent::Type(eventType), keyCode, modifiers,
+        accepted = QWindowSystemInterface::handleExtendedKeyEvent(window, timestamp, QEvent::Type(eventType), keyCode, modifiers,
                                                        nativeScanCode, nativeVirtualKey, nativeModifiers, text, [nsevent isARepeat], 1, false);
-        accepted = QWindowSystemInterface::flushWindowSystemEvents();
+        accepted |= QWindowSystemInterface::flushWindowSystemEvents();
     }
     m_sendKeyEvent = false;
     m_resendKeyEvent = false;